NAICS 212220: Gold Ore and Silver Ore Mining
This industry comprises establishments primarily engaged in developing the mine site, mining, and/or beneficiating (i.e., preparing) ores valued chiefly for their gold and/or silver content.  Establishments primarily engaged in the transformation of the gold and silver into bullion or dore bar in combination with mining activities are included in this industry.

ExioML sector: Precious metal ores and concentrates
Region: US | Year: 2022
Sector value added: 2164.08096716 M EUR | Employment: 420.468912994 thousand persons
Sector GHG emissions: 6657910112.15 kg CO2 eq | Energy carrier net total: 87431.0397699 TJ | Carbon intensity: 3.076553148049452

Company: Ames Construction Inc
Today, we're a full-service, heavy civil and industrial general contractor that brings innovative solutions to many market segments, from highway and bridge construction to mining, CCR & environmental, industrial, water resources and rail.